Screen replacing device and screen replacing method

Abstract

The invention discloses a screen replacing device and a screen replacing method.The screen replacing device comprises an operation table and a new screen storage structure, the operation table is provided with an old screen cleaning area and a new screen stretching area which are arranged in a spaced mode, and a carrying structure capable of transferring a screen structure is arranged beside the old screen cleaning area and the new screen stretching area; the new net storage structure comprises a new net storage part and a new net release part, a drying structure and a cleaning structure are arranged in the old net cleaning area, the drying structure is used for baking a glue layer bonded with an old screen, the cleaning structure is used for removing the glue layer and the old screen, and a net stretching structure, a tension detection structure, a gluing structure and a cutting structure are arranged in the new net stretching area. The screen stretching structure is used for applying a pair of balance force to a new screen to stretch the screen, the tension detection structure can perform tension detection on the stretched screen, the tension detection structure is further in communication connection with the screen stretching structure, and the gluing structure is used for gluing the screen subjected to tension detection so as to fix the new screen. And the cutting structure is used for disconnecting the new screen from the new screen storage structure. Therefore, the screen can be conveniently and automatically replaced.

Description

Technical Field

[0001] The present invention relates to the technical field of screen meshes, and in particular to a screen mesh replacement device and a screen mesh replacement method. Background Art

[0002] In the field of positive electrode materials, after the materials are sintered into finished products, they often need to be crushed by air jet grinding to break up the compacted finished products, and then screened by ultrasonic vibrating screens to obtain qualified materials. When using vibrating screens to grade materials, double-layer screens are usually used according to actual production needs to ensure screening accuracy. The upper screen is in direct contact with the coarse material and is easily worn or deformed. Therefore, the replacement frequency is relatively high.

[0003] In the related art, the replacement process of the screen usually involves multiple processes, and most of these processes rely on manual operation, and the screen needs to be continuously transferred, and it is completed with multiple different equipment. The cumbersome replacement process is not only time-consuming and labor-intensive, but also very easy to introduce metal impurities, which is strictly prohibited in the field of positive electrode materials, because the mixing of metal objects such as iron and copper will contaminate the raw materials and cause the battery capacity to decrease; in addition, although there are mechanized screen replacement equipment in the prior art, they are either not suitable for the replacement of bonded screens, or they can only realize semi-automatic screen replacement processes, such as only pasting the new screen to the screen frame, and cannot simultaneously realize the full process of removing the old screen and tightening the new screen. At the same time, this type of equipment has the problem of uneven tension of the screen and uneven mesh of the new screen when changing the screen. When preparing positive electrode materials, the screen replaced by this type of equipment will have materials in the screen that exceed the theoretical mesh aperture, which will increase the probability of battery diaphragm damage and reduce the screening accuracy of the upper vibrating screen or the service life of the lower screen. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a screen replacement device and a screen replacement method, which is suitable for a bonded screen structure in the field of lithium battery positive electrode materials, and can realize full-automatic replacement of the screen, thereby avoiding the appearance of metal foreign matter during the screen replacement process, while improving the replacement efficiency and ensuring the screening accuracy of the screen after replacement.

[0005] The screen replacing device according to the first aspect of the embodiment of the present invention is used to replace the screen of the bonded screen structure, and the screen replacing device includes: an operating table and a new screen storage structure, the operating table has an old screen cleaning area and a new screen stretching area arranged at intervals, and a conveying structure that can transport the screen structure is provided next to the old screen cleaning area and the new screen stretching area, and the new screen storage structure includes a new screen storage part and a new screen releasing part, the new screen storage part is used to store the new screen, and the new screen releasing part is used to guide the new screen to the new screen stretching area. Among them, the old net cleaning area is provided with a drying structure and a cleaning structure. The drying structure is used to bake the glue layer bonded to the old screen, and the cleaning structure is used to remove the glue layer and the old screen. The new net stretching area is provided with a stretching structure, a tension detection structure, a gluing structure and a cutting structure. The stretching structure is used to apply a pair of balancing forces to the new screen along the guiding direction of the new net release part to stretch the screen. The tension detection structure can contact the screen surface after stretching and perform tension detection on it. The tension detection structure is also communicated with the stretching structure. The gluing structure is used to glue the screen that has completed the tension detection to fix the new screen. The cutting structure is used to disconnect the new screen from the new net storage structure.

[0006] According to the screen replacement device of the embodiment of the present invention, the transport structure first transports the screen structure to be replaced in the old screen cleaning area to the new screen stretching area, and the drying structure and the cleaning structure remove the screen and the glue layer of the screen structure to be replaced. Then, the screen structure in the new screen stretching area only retains the screen frame, and then the new screen is fixed to the screen frame through the new screen storage structure, the stretching structure, the tension detection structure, the glue coating structure and the cutting structure. In this way, it is easy to realize the automatic replacement of the screen by the screen replacement device, effectively improve the replacement efficiency of the screen, reduce the workload of the staff, and ensure the screening accuracy of the replaced screen.

[0007] In some embodiments, the screen replacement device also includes: a first storage rack and a second storage rack, the first storage rack is arranged at the front process of the old net cleaning area, and has multiple layers of first storage space, the first storage space is used to store the screen structure to be replaced, the second storage rack is arranged at the rear process of the new net stretching area, and has multiple layers of second storage space, the second storage space is used to store the screen structure after the net is replaced, the conveying structure includes an outer track and a mechanical conveying part that can move along the outer track, the outer track passes through the first storage rack, the old net cleaning area, the new net stretching area and the second storage rack in sequence, and the mechanical conveying part is used to transport the screen structure along the outer track to different processes.

[0008] In some embodiments, a first storage rack, an old net cleaning area, a new net stretching area and a second storage rack are arranged in a straight line along a first horizontal direction; and / or, the new net storage structure includes a driving shaft, a driven shaft and a first driver, the driving shaft and the driven shaft are parallelly and spaced apart on both sides of the new net stretching area in the second horizontal direction, the driving shaft extends along the first horizontal direction, the driving shaft and the driven shaft are both located on the upper side of the new net stretching area, the driving shaft and the driven shaft are suitable for respectively winding around the two ends of the screen so that the driving shaft and the driven shaft are suitable for winding and unwinding the screen, the first driver is used to drive the driving shaft to rotate so as to drive the driven shaft to rotate through the screen, and the first horizontal direction is perpendicular to the second horizontal direction.

[0009] In some embodiments, the mesh structure includes: a second driver and a first clamping rod, the second driver is used to drive at least one of the driving shaft and the driven shaft to move along the second horizontal direction to change the spacing between the driving shaft and the driven shaft in the second horizontal direction, the first clamping rod is arranged parallel to the driven shaft, the first clamping rod can move relative to the driven shaft along the radial direction of the driven shaft, and has a clamping position and a release position, the spacing between the first clamping rod and the outer peripheral wall of the driven shaft when the first clamping rod is in the clamping position is smaller than the spacing between the first clamping rod and the outer peripheral wall of the driven shaft when the first clamping rod is in the release position, so that the first clamping rod is suitable for clamping the screen wound around the driven shaft when the first clamping rod is in the clamping position, and releasing the compression of the screen wound around the driven shaft when the first clamping rod is in the release position.

[0010] In some embodiments, the mesh structure also includes a second clamping rod, which is arranged parallel to the driving shaft. The second clamping rod can move relative to the driving shaft along the radial direction of the driving shaft, and has a clamping position and a release position. The distance between the second clamping rod and the outer peripheral wall of the driving shaft when the second clamping rod is in the clamping position is smaller than the distance between the second clamping rod and the outer peripheral wall of the driving shaft when the second clamping rod is in the release position, so that the second clamping rod is suitable for clamping the screen wound around the driving shaft when the second clamping rod is in the clamping position, and releasing the clamping of the screen wound around the driving shaft when the second clamping rod is in the release position.

[0011] In some embodiments, the cleaning tool includes a grinder and a scraper with switchable settings, the grinder is used to grind the screen frame, and the scraper is used to scrape off the glue layer on the screen frame.

[0012] In some embodiments, at least a portion of the old mesh cleaning area is hollowed out.

[0013] In some embodiments, the drying structure includes a first driving mechanism and a dryer, the first driving mechanism is used to drive the dryer to move so that the dryer is used to bake the glue layer bonded to the old screen, the cleaning structure includes a second driving mechanism and a cleaning tool, the second driving mechanism is used to drive the cleaning tool to move so that the cleaning tool removes the glue layer and the old screen, the tension detection structure includes a third driving mechanism and a tension detector, the third driving mechanism is used to drive the tension detector to move so that the tension detector contacts the screen surface after the screen is stretched and performs tension detection on it; the tension detector is communicatively connected with the screen stretching structure, the gluing structure includes a fourth driving mechanism and a gluing head, the fourth driving mechanism is used to drive the gluing head to move so that the gluing head is used to glue the screen that has completed tension detection, the cutting structure includes a fifth driving mechanism and a cutting tool, the fifth driving mechanism is used to drive the cutting tool to move so that the cutting tool is used to disconnect the screen from the new screen storage structure, wherein the first driving mechanism, the second driving mechanism, the third driving mechanism, the fourth driving mechanism and the fifth driving mechanism are integrated and configured as a manipulator.

[0014] Preferably, the manipulator has a third drive and multiple second clamping structures, the third drive is used to drive the multiple second clamping structures to rotate so that different second clamping structures are set toward the old net cleaning area or the new net stretching area, and the multiple second clamping structures are respectively used to clamp the dryer, cleaning tool, tension tester, glue coating head and cutting tool.

[0015] Optionally, the screen replacement device includes a third storage rack, which is used to place at least one of a dryer, a cleaning tool, a tension detector, a glue coating head and a cutting tool. The manipulator has a first clamping structure, which is used to clamp or release at least one of the dryer, the cleaning tool, the tension detector, the glue coating head and the cutting tool.

[0016] The screen replacement method of the screen replacement device according to the second embodiment of the present invention comprises: a drying structure dries the glue layer of the screen structure in the old screen cleaning area, a cleaning structure removes the glue layer of the dried screen structure to separate the screen and the screen frame, a transporting structure transports the screen frame in the old screen cleaning area to the new screen stretching area, a new screen storage structure provides the screen to the new screen stretching area to make the screen cover the screen frame in the new screen stretching area, a stretching structure stretches the screen in the new screen stretching area, a tension detection structure detects the tension of the screen in the new screen stretching area and stretched until the tension of the screen meets the preset condition, a gluing structure glues the screen that has completed the tension detection to fix the screen and the screen frame, and a cutting structure cuts the screen fixed to the screen frame from the new screen storage structure.

[0017] In some embodiments, the drying structure dries the screen structure before and after the cleaning structure removes the glue layer from the screen structure.

[0018] In some embodiments, before the conveying structure conveys the screen frame to the mesh stretching area, the screen frame is visually inspected until it is determined that the glue layer on the screen frame is completely removed.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 is a schematic diagram of a screen replacement device according to some embodiments of the present invention;

[0022] Figure 2 yes Figure 1 A schematic diagram of a first storage rack shown in ;

[0023] Figure 3 is a schematic diagram of a drying structure according to some embodiments of the present invention;

[0024] Figure 4 is a schematic diagram of a grinding machine according to some embodiments of the present invention;

[0025] Figure 5 is a schematic diagram of a scraper according to some embodiments of the present invention;

[0026] Figure 6 is a schematic diagram of a glue coating head according to some embodiments of the present invention;

[0027] Figure 7 yes Figure 1 A schematic diagram of the clamping structure shown in ;

[0028] Figure 8 is a flow chart of a screen replacing method of a screen replacing device according to some embodiments of the present invention.

[0029] Reference numerals:

[0030] Screen replacement device 1, screen structure 10, screen 12, screen frame 14, operating table 20, old screen cleaning area 22, new screen stretching area 24, conveying structure 31, mechanical conveying part 310, outer rail 312, drying structure 32, dryer 322, cleaning structure 33, grinder 330, scraper 332, cleaning tool 334, new screen storage structure 34, driving shaft 340, driven shaft 342, new screen storage part 344, stretching structure 35, gluing structure 37, gluing head 370, first storage rack 40, first storage space 42, second storage rack 50, second storage space 52, third storage rack 60, manipulator 70, clamping structure 72, inspection area 80. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] The disclosure below provides many different embodiments or examples to implement different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific processes and examples of materials, but those of ordinary skill in the art can be aware of the applicability of other processes and / or the use of other materials.

[0033] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0034] Below, with reference to the accompanying drawings, a screen replacement device 1 according to an embodiment of the first aspect of the present invention is described. The screen replacement device 1 is used to replace the screen 12 of the bonded screen structure 10. The screen structure 10 includes a screen 12 and a screen frame 14 fixed by glue. The screen replacement device 1 is used to replace the screen 12 of the screen structure 10. The screen replacement device 1 can first separate the old screen 12 in the screen structure 10 from the screen frame 14, and then fix the new screen 12 to the screen frame 14, so as to complete the replacement of the screen 12 in the screen structure 10.

[0035] like Figure 1 As shown, the screen replacement device 1 includes: an operating table 20 and a new screen storage structure 34, the operating table 20 has an old screen cleaning area 22 and a new screen stretching area 24 that are spaced apart, and a conveying structure 31 that can transport the screen structure 10 is provided next to the old screen cleaning area 22 and the new screen stretching area 24, the new screen storage structure 34 includes a new screen storage part 344 and a new screen release part, the new screen storage part 344 is used to store the new screen 12, and the new screen release part is used to guide the new screen 12 to the new screen stretching area 24. Among them, the old net cleaning area 22 is provided with a drying structure 32 and a cleaning structure 33. The drying structure 22 is used to bake the glue layer bonded to the old screen 12, and the cleaning structure 33 is used to remove the glue layer and the old screen 12. The new net stretching area 24 is provided with a stretching structure 35, a tension detection structure, a gluing structure 37 and a cutting structure. The stretching structure 35 is used to apply a pair of balancing forces to the new screen 12 along the guiding direction of the new net release part to stretch the net. The tension detection structure can contact the surface of the screen 12 after stretching and perform tension detection on it. The tension detection structure is also communicated with the stretching structure 35. The gluing structure 37 is used to glue the screen 12 that has completed the tension detection to fix the new screen 12. The cutting structure is used to disconnect the new screen 12 from the new net storage structure 34.

[0036] It can be seen that the operating table 20 has an old mesh cleaning area 22 and a new mesh stretching area 24 that are arranged at intervals. By dividing the old mesh cleaning area 22, the new mesh stretching area 24 and other different functional areas, the replacement process of the screen 12 is more streamlined, from drying, cleaning the old glue layer, stretching the mesh, tension detection to glue fixing and cutting, each step is carried out in a dedicated area, avoiding confusion during the operation and the introduction of metal foreign matter, thereby improving work efficiency; the transport structure 31 can automatically transport the screen structure 10 in the old mesh cleaning area 22 to the new mesh stretching area 24, reducing the labor intensity of manual transport and improving work efficiency; the drying structure 32 is used to dry the glue on the screen structure 10 in the old mesh cleaning area 22 The old glue layer between the screen 12 and the screen frame 14 becomes dry and fragile through drying treatment, so that it is easier to be removed by the subsequent cleaning structure 33; the cleaning structure 33 is used to remove the glue layer of the screen structure 10 in the old screen cleaning area 22, so that the screen 12 and the screen frame 14 can be separated smoothly, which is convenient for the subsequent replacement of the new screen 12 for the stretching process; the new screen storage structure 34 includes a new screen storage part 344 and a new screen release part, the new screen storage part 344 is used to provide the screen 12 to the new screen stretching area 24, and the new screen 12 is stored in the new screen storage part 344, which provides convenience for the storage and use of the screen 12 and facilitates the automatic provision of the screen 12; the stretching structure 35 is used to release the new screen 12 in the new screen stretching area 24. The screen 12 in area 24 is stretched, and in particular, the stretching structure 35 can apply a pair of balancing forces to the new screen 12 along the guiding direction of the new screen release portion for tightening, that is, only a pair of forces of equal size and opposite direction are applied along the length direction of a new screen 12 to tighten the screen 12. The screen 12 has a strong bearing capacity in this direction, and the screen holes are not easy to deform. Therefore, the application of the balancing force can ensure the balanced force of the screen holes, so that the screen 12 can meet certain tension requirements, which is helpful to improve the stability and screening effect of the screen 12 during use, and reduce the situation that the screen after replacement has materials exceeding the theoretical mesh aperture in the screened material, thereby ensuring the screening accuracy of the upper vibrating screen and the lower The service life of the screen; the tension detection structure is used to detect the tension of the screen 12 that is in the new screen stretching area 24 and is stretched. The tension detection structure can detect the tension of the screen 12, so that the screen 12 reaches the predetermined tension requirement during the stretching process, which helps to reduce the poor screening effect of the screen 12 caused by insufficient tension or damage caused by excessive tension. In addition, the tension detection structure communicates with the stretching structure 35. The tension detection structure can detect the tension of the screen 12 by surface contact, and communicate to the stretching structure 35 to adjust the operation of the stretching structure 35, so that the newly replaced screen 12 can have a more suitable tension, thereby ensuring the screening accuracy of the replaced screen and improving the product quality of the screen replacement device 1;The gluing structure 37 is used to gluing the screen 12 that is in the new screen stretching area 24 and has completed the tension test. The gluing structure 37 can firmly bond the screen 12 that has completed the tension test to the screen frame 14, which is convenient for improving the working reliability of the screen structure 10 after the screen 12 is replaced; the cutting structure is used to cut the screen 12 that is in the new screen stretching area 24 and fixed to the screen frame 14 from the new screen storage structure 34, complete the replacement process of the screen 12, and reduce the possibility of interference between the screen structure 10 and the new screen storage structure 34 after the screen 12 is replaced. Therefore, by integrating devices with different functions on the screen replacement device 1, it is convenient to realize the automatic replacement of the screen 12. ;

[0037] For example, the drying structure 32 first bakes the old glue layer between the screen 12 and the screen frame 14 of the screen structure 10 in the old screen cleaning area 22, so that the old glue layer becomes dry and fragile, and then the cleaning structure 33 removes the old glue layer to separate the screen 12 and the screen frame 14. Then, the transporting structure 31 automatically transports the cleaned screen frame 14 from the old screen cleaning area 22 to the new screen stretching area 24. After the screen frame 14 arrives at the new screen stretching area 24, the new screen storage structure 34 provides the screen frame 14 with a new screen 12. In the new screen stretching area 24, the stretching structure 35 tightens the new screen 12 so that the new screen 12 can meet the predetermined tension requirement, and the tension detection structure detects the tension of the screen 12 and communicates with the stretching structure 35. The detection result of the tension detection structure can be transmitted to the stretching structure 35, and the stretching structure 36 can adjust the stretching structure 35 according to the above detection result to change the tension of the screen 12 until the tension of the screen 12 meets the predetermined tension requirement. After the screen is stretched, the gluing structure 37 applies glue to the new screen 12 to firmly bond the new screen 12 to the screen frame 14. Finally, the cutting structure separates the new screen 12 from the new screen storage structure 34 to complete the replacement process of the entire screen 12.

[0038] For example, with the increasing popularity of modern lithium battery positive electrode material production lines, improving the reuse and replacement function of automated production equipment is a major problem in realizing dark factories in the current development. The screening link in the key link of the post-processing process in the lithium battery positive electrode material production line is particularly important. In this process, the material needs to be screened to filter out impurities in the material. Different specifications of materials will use screens 12 with different meshes. A vibrating screen has two layers of screen structures 10. The upper screen structure 10 will be worn after being used for a period of time, making the screening effect poor. It is necessary to replace the upper screen structure 10. At this time, the lower screen structure 10 with less wear can be replaced for use in the upper layer. The upper replaced screen structure 10 can be reprocessed and replaced with a screen structure 10 with a new screen 12; by adopting the above-mentioned screen replacement device 1, the staff or the handling device only needs to place the screen structure 10 to be replaced on the screen replacement device 1, without other complicated manual operations, so as to facilitate the automatic replacement of the screen 12 and reduce the work intensity of the staff.

[0039] It can be understood that the new mesh storage section 344 is used to store the screen 12. The staff can adjust the mesh size of the screen 12 in the new mesh storage section 344 accordingly according to the different mesh sizes required by different screen structures 10, thereby improving the practicality of the screen replacement device 1.

[0040] Compared with some technologies, replacing a new screen structure involves multiple processes. These processes are usually completed by manually operating different equipment, and the screen structure needs to be continuously transferred, which makes the operating load of the staff heavier and the efficiency of manual replacement of the screen is low. At the same time, the screen structure is also prone to the introduction of metal impurities, and the manually operated equipment is prone to uneven force on the screen, affecting the quality of the screen structure.

[0041] According to the screen replacing device 1 of the embodiment of the present invention, through the coordinated work of the carrying structure 31, the drying structure 32, the cleaning structure 33, the new screen storage structure 34, the screen stretching structure 35, the tension detection structure, the gluing structure 37 and the cutting structure, the staff only needs to place the screen structure 10 to be replaced on the screen replacing device 1 to realize the automatic replacement of the screen 12. The screen structure 10 is not easy to introduce metal impurities, which effectively reduces the workload of the staff and improves the replacement efficiency of the screen 12. At the same time, the coordinated use of the screen stretching structure 35 and the tension detection structure makes the stretched screen 12 balanced and can meet certain tension requirements, which is convenient for improving the product quality of the replaced screen structure 10.

[0042] like Figure 1As shown, in some embodiments, the conveying structure 31, the drying structure 32, the cleaning structure 33, the mesh stretching structure 35, the gluing structure 37 and the cutting structure are all arranged adjacent to the operating table 20, and the new mesh storage structure 34 and the tension detection structure are both arranged adjacent to the new mesh stretching area 24, so that the structure of the screen replacement device 1 is more compact, which facilitates reducing the space waste between the various components, and at the same time reduces the time for switching between the various processes, thereby improving the working efficiency of the screen replacement device 1.

[0043] Optionally, in the embodiment of the present application, there is no specific restriction on the specific positions of the drying structure 32, the cleaning structure 33, the tension detection structure, the gluing structure 37 and the cutting structure. For example, the drying structure 32, the cleaning structure 33, the tension detection structure, the gluing structure 37 and the cutting structure can be arranged at intervals along the direction from the old net cleaning area 22 toward the new net stretching area 24. It is only necessary that when one of the drying structure 32, the cleaning structure 33, the tension detection structure, the gluing structure 37 and the cutting structure performs the corresponding operation, the other structures will not affect its operation.

[0044] like Figure 1 and Figure 2 As shown, in some embodiments, the screen replacement device 1 also includes: a first storage rack 40 and a second storage rack 50, the first storage rack 40 is arranged in the front process of the old net cleaning area 22, and the first storage rack 40 has multiple layers of first storage space 42, the first storage space 42 is used to store the screen structure 10 to be replaced, the second storage rack 50 is arranged in the rear process of the new net stretching area 24, and the second storage rack 50 has multiple layers of second storage space 52, the second storage space 52 is used to store the screen structure 10 after the net is replaced, the conveying structure 31 includes an outer rail line 312 and a mechanical conveying part 310 that can move along the outer rail line 312, the outer rail line 312 is arranged through the first storage rack 40, the old net cleaning area 22, the new net stretching area 24 and the second storage rack 50 in sequence, and the mechanical conveying part 310 is used to transport the screen structure 10 along the outer rail line 312 to different processes.

[0045] The first storage space 42 is used to store the screen structure 10 to be replaced, and the first storage rack 40 is set in the front process of the old net cleaning area 22 (for example, the staff puts the screen structure 10 to be replaced on the first storage rack 40), the second storage space 52 is used to store the screen structure 10 after the net is replaced, and the second storage rack is set in the back process of the new net stretching area (for example, the screen structure 10 after the net is replaced is taken away for use), and the mechanical transport part 310 that can move along the outer rail line 312 in the transport structure 31 can transport the screen structure 10 along the outer rail line 312 to Different processes, for example, the screen structure 10 passes through the first storage rack 40, the old screen cleaning area 22, the new screen stretching area 24 and the second storage rack 50 in sequence, that is, the mechanical transport unit 310 passes the screen structure 10 to be replaced along the outer track 312 through the first storage rack 40, the old screen cleaning area 22, the new screen stretching area 24 in sequence to complete the replacement of the screen 12, and the replaced screen structure 10 is transported to the second storage rack 50 along the outer track 312 by the mechanical transport unit 310. The second storage rack 50 can collect the screen structure 10 after the screen is replaced, which is convenient for the staff to take.

[0046] For example, the first storage rack 40 and the second storage rack 50 are respectively located on the back-to-back sides of the old net cleaning area 22 and the new net stretching area 24, and the first storage rack 40 and the second storage rack 50 can be used to store the screen structure 10 to be replaced and the screen structure 10 after the replacement, respectively, which can make the replacement process of the screen 12 more orderly and efficient. The conveying structure 31 can directly take the screen structure 10 to be replaced from the first storage rack 40, reducing the time for searching and waiting, and the screen structure 10 after the replacement can also be quickly conveyed by the conveying structure 31 to the second storage rack 50, avoiding delays in the replacement process of the screen structure 10, thereby improving the replacement efficiency of the screen replacement device 1.

[0047] Illustratively, the staff places the screen structure 10 to be replaced on the first storage rack 40, and the transporting structure 31 automatically takes the screen structure 10 to be replaced from the first storage rack 40, transports it to the old screen cleaning area 22 for cleaning, and then transports it to the new screen stretching area 24 for replacement. Finally, the screen structure 10 after the replacement is stored on the second storage rack 50, which is convenient for the staff to take and realize the automatic replacement of the screen 12, effectively reducing the workload of the staff, and the screen structure 10 after the replacement will not occupy the space in the new screen stretching area 24, so as to free up the operating area with the next screen structure 10.

[0048] In some embodiments, the first storage rack 40 has a first storage space 42 with multiple layers spaced apart from each other, providing sufficient storage capacity for the screen 12 before replacement. The staff can place multiple screen structures 10 to be replaced on the first storage rack 40, and transport the multiple screen structures 10 to be replaced to the old screen cleaning area 22 and the new screen stretching area 24 in turn through the transport structure 31 to complete the replacement of the screen 12; the second storage rack 50 has a second storage space 52 with multiple layers spaced apart from each other, providing sufficient storage capacity for the screen structure 10 after the screen is replaced. Multiple screen structures 10 after the screen is replaced can be stored on the second storage rack 50 for the convenience of subsequent use by the staff.

[0049] like Figure 1 As shown, in some embodiments, the first storage rack 40, the old net cleaning area 22, the new net stretching area 24 and the second storage rack 50 are arranged along a first horizontal direction (eg Figure 1 and / or the new web release unit includes a driving shaft 340, a driven shaft 342 and a first driver, the driving shaft 340 and the driven shaft 342 are arranged in parallel and spaced apart in the new web stretching area 24 in the second horizontal direction (such as Figure 1 The driving shaft 340 extends along the first horizontal direction. The driving shaft 340 and the driven shaft 342 are both located on the upper side of the new mesh stretching area 24. The driving shaft 340 and the driven shaft 342 are suitable for winding up the two ends of the screen 12 respectively so that the driving shaft 340 and the driven shaft 342 are suitable for winding up and unwinding the screen 12. The first driver is used to drive the driving shaft 340 to rotate so as to drive the driven shaft 342 to rotate through the screen 12. The first horizontal direction is perpendicular to the second horizontal direction.

[0050] By arranging the first storage rack 40, the old net cleaning area 22, the new net stretching area 24 and the second storage rack 50 in a straight line along the first horizontal direction, the replacement process of the screen 12 is made smoother. After the screen structure 10 is taken out from the first storage rack 40, it can be directly transported along a straight path to the old net cleaning area 22, then to the new net stretching area 24, and finally to the second storage rack 50, which reduces the turning and waiting time of the screen 12 during the replacement process, improves the working efficiency of the screen replacement device 1, and the straight line arrangement makes the storage, cleaning and stretching process of the screen 12 more intuitive and easy to manage. The staff can clearly see the flow of the screen 12 in each area, which is convenient for monitoring and adjustment, and also facilitates the maintenance and maintenance of the equipment. In addition, the above-mentioned setting can simplify the movement path of the screen frame 10 during the entire process before and after replacement, which is conducive to reducing the requirements for the transport structure 31. The first storage rack 40, the old mesh cleaning area 22, the new mesh stretching area 24 and the second storage rack 50 are all arranged in a straight line along the first horizontal direction, that is, the screen changing device 1 occupies a large space in the first horizontal direction, and in the second horizontal direction perpendicular to the first horizontal direction (such as Figure 1The space occupied in the BB' direction) is small, which provides sufficient space for adding new equipment in the second horizontal direction. Taking the first horizontal direction as the length direction of the screen replacement device 1 as an example, the second horizontal direction is the width direction of the screen replacement device 1. The screen replacement device 1 occupies a small space in the width direction. The staff can flexibly arrange new docking settings in the width direction according to actual needs, such as production equipment, testing equipment or auxiliary equipment, to further improve production efficiency, product quality or automation level.

[0051] In the above arrangement of the new mesh release part, at least part of the driving shaft 340 and at least part of the driven shaft 342 are both located on the upper side of the new mesh stretching area 24, so that the driving shaft 340 and the driven shaft 342 are spaced apart from the new mesh stretching area 24 in the vertical direction, which is convenient for reducing the possibility of interference between the driving shaft 340 and the driven shaft 342 and the new mesh stretching area 24, thereby improving the working reliability of the driving shaft 340 and the driven shaft 342; the driving shaft 340 and the driven shaft 342 are spaced apart in parallel on both sides of the new mesh stretching area 24 in the second horizontal direction, and ... the vertical direction. The shaft 340 extends along the first horizontal direction. Such a layout allows the screen 12 to be effectively wound and stored along the first horizontal direction; the driving shaft 340 and the driven shaft 342 are respectively wound around the two ends of the screen 12, and the driving shaft 340 is driven by the first driver to rotate, and then the driven shaft 342 is driven to rotate through the screen 12, that is, the winding and unwinding operation of the screen 12 can be realized through the cooperation of the driving shaft 340, the driven shaft 342 and the first driver, so that the structure of the new screen storage structure 34 is relatively simple, which is convenient for the staff to repair and maintain.

[0052] For example, a new screen 12 is wound on the driven shaft 342, one end of the screen 12 is fixed to the driving shaft 340, the driving shaft 340 rotates to wind the screen 12 on the driving shaft 340, and the driven shaft 342 is driven by the screen 12 to rotate and release the screen 12, so that different parts of the screen 12 pass through the new mesh stretching area 24 in sequence along the second horizontal direction, so that a part of the screen 12 is fixed to the screen frame 14, and then the above-mentioned part of the screen 12 is separated from the rest of the screen 12 by the cutting structure to realize the replacement of the screen 12, and then the driving shaft 340 continues to rotate, so that the subsequent part of the screen 12 is opposite to the next screen 14 transported to the new mesh stretching area 24.

[0053] In some embodiments, the mesh structure 35 includes: a second driver and a first clamping rod, the second driver is used to drive at least one of the driving shaft 340 and the driven shaft 342 to move along the second horizontal direction to change the spacing between the driving shaft 340 and the driven shaft 342 in the second horizontal direction, the first clamping rod is arranged in parallel with the driven shaft 342, the first clamping rod can move relative to the driven shaft 342 along the radial direction of the driven shaft 342, and the first clamping rod has a clamping position and a release position, and the spacing between the first clamping rod and the outer peripheral wall of the driven shaft 342 when the first clamping rod is in the clamping position is smaller than that when the first clamping rod is in the clamping position. The first clamping rod is provided with a spacing between the outer peripheral wall of the driven shaft 342 when in the release position, so that the first clamping rod is suitable for clamping the screen 12 wound around the driven shaft 342 when in the clamping position, and releasing the clamping of the screen 12 wound around the driven shaft 342 when in the release position; for example, when the first clamping rod is in the clamping position, the radial spacing between the first clamping rod and the outer peripheral wall of the driven shaft 342 is less than the thickness of the screen wound around the driven shaft 342, and when the first clamping rod is in the release position, the radial spacing between the first clamping rod and the outer peripheral wall of the driven shaft 342 is greater than the thickness of the screen wound around the driven shaft 342. It can be understood that the movement path of the first clamping rod between the clamping position and the release position can be along a straight line or along a curve, and the moving direction of the first clamping rod is perpendicular to the length direction of the first clamping rod (i.e., the axial direction of the driven shaft 342), so that the first clamping rod always remains parallel to the driven shaft 342 during the movement.

[0054] For example, the second driver is used to change the distance between the driving shaft 340 and the driven shaft 342 in the second horizontal direction. The first clamping rod can clamp the screen 12 of the driven shaft 342 or release the clamping of the screen 12 of the driven shaft 342. The first driver is used to drive the driving shaft 340 to rotate so as to drive the driven shaft 342 to rotate through the screen 12. When the mesh structure 35 needs to adjust the tension of the mesh 12 of the mesh, the first clamping rod can be switched to the clamping position so that the first clamping rod clamps the mesh 12 wound around the driven shaft 342, and then the first driver is used to limit the reverse rotation of the driving shaft 340, and cooperate with the second driver to change the distance between the driving shaft 340 and the driven shaft 342 in the second horizontal direction to adjust the tension of the mesh 12.

[0055] Exemplarily, the second driver communicates with the tension detection structure. For example, the first driver drives the active shaft 340 to rotate forward to tighten the stretched screen 12 and reverse to relax the stretched screen 12. When the stretching structure 35 performs the stretching operation, the first clamping rod is in the clamping position, and the tension detection structure detects the tension of the stretched screen 12. When it is detected that the tension of the screen 12 is too large, the second driver reduces the spacing between the active shaft 340 and the driven shaft 342 in the second horizontal direction, thereby correspondingly reducing the tension of the stretched screen 12. When it is detected that the tension of the screen 12 is too small, the second driver increases the spacing between the active shaft 340 and the driven shaft 342 in the second horizontal direction, thereby correspondingly increasing the tension of the stretched screen 12. When the tension detection structure detects that the tension of the stretched screen 12 is within a preset range, the glue coating structure 37 and the cutting structure perform the next operation on the screen 12. After the screen 12 completes the replacement process, the first clamping rod is switched from the clamping position to the release position to facilitate the transportation of the replaced screen 12.

[0056] It can be understood that the second driver can drive the active shaft 340 to move along the second horizontal direction, or the second driver can drive the driven shaft 342 to move along the second horizontal direction, or the second driver can drive the active shaft 340 and the driven shaft 342 to move along the second horizontal direction, both of which can change the spacing between the active shaft 340 and the driven shaft 342 in the second horizontal direction, thereby effectively adjusting the tension of the stretched screen 12, making the setting position of the second driver more flexible and easy to adapt to different installation environments.

[0057] In some embodiments, the mesh structure 35 also includes a second clamping rod, which is arranged parallel to the driving shaft 340. The second clamping rod can move relative to the driving shaft 340 along the radial direction of the driving shaft 340, and the second clamping rod has a clamping position and a release position. The distance between the second clamping rod and the outer peripheral wall of the driving shaft 340 when the second clamping rod is in the clamping position is smaller than the distance between the second clamping rod and the outer peripheral wall of the driving shaft 340 when the second clamping rod is in the release position, so that the second clamping rod is suitable for clamping the screen 12 wound around the driving shaft 340 when the second clamping rod is in the clamping position and releasing the clamping of the screen 12 wound around the driving shaft 340 when the second clamping rod is in the release position; for example, when the second clamping rod is in the clamping position, the radial distance between the second clamping rod and the outer peripheral wall of the driving shaft 340 is smaller than the thickness of the screen wound around the driving shaft 340, and when the second clamping rod is in the release position, the radial distance between the second clamping rod and the outer peripheral wall of the driving shaft 340 is greater than the thickness of the screen wound around the driving shaft 340. It can be understood that the movement path of the second clamping rod between the clamping position and the release position can be along a straight line or a curve, and the movement direction of the second clamping rod is perpendicular to the length direction of the second clamping rod (i.e., the axial direction of the driving shaft 340), so that the second clamping rod always remains parallel to the driving shaft 340 during the movement.

[0058] For example, the second clamping rod can clamp the screen 12 of the driving shaft 340 or release the clamping of the screen 12 of the driving shaft 340, and the first clamping rod can clamp the screen 12 of the driven shaft 342 or release the clamping of the screen 12 of the driven shaft 342. By respectively arranging the second clamping rod and the first clamping rod on the driving shaft 340 and the driven shaft 342, the tension distribution of the screen 12 during the stretching process is more balanced. When the screen 12 is clamped in both directions, the tension applied to the screen 12 will be more uniform in all directions, which helps to improve the stability and service life of the screen 12. For example, when adjusting the tension of the screen 12, the first clamping rod and the second clamping rod can be operated simultaneously, the first clamping rod and the second clamping rod can be switched to the clamping position, and then the distance between the driving shaft 340 and the driven shaft 342 can be adjusted. Since the first clamping rod and the second clamping rod act at the same time, a more precise adjustment of the tension of the screen 12 can be achieved, so that the stretched screen 12 can reach the preset tension range more quickly.

[0059] In the embodiment of the present application, there is no specific restriction on the movement form of the first clamping rod and the second clamping rod. For example, the first clamping rod can be driven by a rotating member to rotate around an axis parallel to the central axis of the driven shaft 342. For example, the second clamping rod can be driven by a moving member to move along the radial straight line of the driving shaft 340.

[0060] like Figure 4 and Figure 5 As shown, in some embodiments, the cleaning tool 334 includes a grinder 330 and a scraper 332 that can be switched. The grinder 330 is used to grind the screen frame 14 , and the scraper 332 is used to scrape off the glue layer on the screen frame 14 .

[0061] It can be seen that the cleaning tool 334 integrates the functions of a grinder 330 and a scraper 332, and can meet different requirements for cleaning the screen structure 10. The grinder 330 can be used to remove the old rubber layer on the surface of the screen frame 14. The old rubber layer that still remains on the screen structure 10 after cleaning by the grinder 330 can be cleaned by a scraper 332. That is, through the cooperation of the grinder 330 and the scraper 332, the old rubber layer of the screen structure 10 can be efficiently cleaned, so as to separate the screen 12 and the screen frame 14, and facilitate the subsequent replacement of the new screen 12.

[0062] In some embodiments, at least a portion of the old net cleaning area 22 is hollowed out. When the screen structure 10 is cleaned by the cleaning structure 33, the old screen 12, old glue layer and other residues generated can fall through the hollow structure to the collection area below, thereby reducing the trouble of manual cleaning and improving the cleaning efficiency. The old net cleaning area 22 can be kept relatively tidy, reducing the possibility of equipment failure or safety hazards caused by residue accumulation.

[0063] like Figure 1 and Figure 3-Figure 7 As shown, in some embodiments, the drying structure 32 includes a first driving mechanism and a dryer 322, the first driving mechanism is used to drive the dryer 322 to move so that the dryer is used to bake the glue layer bonded to the old screen 12, the cleaning structure 33 includes a second driving mechanism and a cleaning tool 334, the second driving mechanism is used to drive the cleaning tool 334 to move so that the cleaning tool 334 removes the glue layer and the old screen 12, the tension detection structure includes a third driving mechanism and a tension detector, the third driving mechanism is used to drive the tension detector to move so that the tension detector contacts the surface of the screen 12 after the screen is stretched and performs tension detection on it, the tension detector is communicatively connected with the stretching structure, the glue coating structure 37 includes a fourth driving mechanism and a glue coating head 370, the fourth driving mechanism is used to drive the glue coating head 370 to move so that the glue coating head 370 is used to glue the screen 12 that has completed the tension detection, and the cutting structure includes a fifth driving mechanism and a cutting tool, the fifth driving mechanism is used to drive the cutting tool to move so that the cutting tool is used to disconnect the screen 12 from the new screen storage structure 34.

[0064] It can be seen that the drying structure 32, the cleaning structure 33, the tension detection structure, the gluing structure 37 and the cutting structure all have their own driving mechanisms and corresponding tools for the screen changing process, so that the entire screen changing process can be highly automated. From drying, cleaning, tension detection to gluing and cutting, each step is completed by the corresponding driving mechanism, reducing the reliance on manual operation, thereby improving the efficiency of the entire process, and the automated screen changing process helps to reduce human errors and deviations, and facilitates improving the product quality of the screen structure 10 after the screen is changed. For example, the tension detector can accurately measure the tension of the screen 12 to ensure that the screen 12 maintains appropriate tension during the stretching process, thereby improving the stability and service life of the screen structure 10.

[0065] Among them, the first drive mechanism, the second drive mechanism, the third drive mechanism, the fourth drive mechanism and the fifth drive mechanism are integrated, and the first drive mechanism to the fifth drive mechanism are integrated into a manipulator 70, then the manipulator 70 can drive the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool to move, and the manipulator 70 can flexibly switch different tools (such as the dryer 322, the cleaning tool 334, etc.) as needed, and perform corresponding tasks, so that the manipulator 70 can efficiently handle various screen processing needs.

[0066] Preferably, the first drive mechanism, the second drive mechanism, the third drive mechanism, the fourth drive mechanism and the fifth drive mechanism are integrated and configured as a manipulator 70, and the manipulator 70 also has a third drive and a plurality of second clamping structures. The third drive is used to drive the plurality of second clamping structures to rotate so that different second clamping structures are set toward the old net cleaning area 22 or the new net stretching area 24. Then, the corresponding tools clamped on the different second clamping structures can be set toward the old net cleaning area 22 or the new net stretching area 24 to achieve corresponding operations.

[0067] It can be seen that there are multiple second clamping structures, and the multiple second clamping structures 72 respectively clamp different tools. The multiple second clamping structures respectively clamp the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool, which is convenient for realizing the integration of the functions of the manipulator 70. The third driver drives the multiple second clamping structures to rotate as needed, so that different tools on different second clamping structures are directed toward the old net cleaning area 22 or the new net stretching area 24 to replace the screen 12, thereby improving the working efficiency of the screen replacement device 1. Moreover, the design of multiple second clamping structures allows multiple tools to be integrated on the same manipulator 70, thereby reducing the occupied space of the screen replacement device 1.

[0068] like Figure 1 As shown, in some other embodiments, the screen replacement device 1 includes a third storage rack 60, which is used to place at least one of the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool, and the manipulator 70 has a first clamping structure 72, which is used to clamp or release at least one of the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool.

[0069] It can be seen that by placing at least one of the dryer 322, the cleaning tool 334, the tension tester, the glue coating head 370 and the cutting tool on the third storage rack 60, the manipulator 70 has a first clamping structure 72, and the first clamping structure 72 can be used to automatically take out and replace these tools. The first clamping structure 72 of the manipulator 70 can quickly switch the required tools according to different needs during the replacement process of the screen 12, so that the manipulator 70 can cope with a variety of different screen 12 processing tasks, thereby improving the automation and integration of the screen replacement device 1.

[0070] In addition, the tools needed for the screen 12 replacement process are stored together on the third storage rack 60 and accessed by the robot 70, making the maintenance of the equipment more convenient. The staff can easily check, replace or repair each tool without moving back and forth between multiple locations, thereby simplifying the maintenance process.

[0071] It can be understood that the third storage rack 60 can be used to store one of the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool, or the third storage rack 60 can be used to store multiple of the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool, or all of the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool; the first clamping structure 72 is used to clamp or release one of the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool, or the first clamping structure 72 is used to clamp or release the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool, or the first clamping structure 72 is used to clamp or release all of the dryer 322, the cleaning tool 334, the tension detector, the glue coating head 370 and the cutting tool.

[0072] like Figure 1 As shown, in some embodiments, the screen replacement device 1 is further provided with an inspection area 80, and the inspection area 80 and the manipulator 70 are respectively arranged on both sides of the operating table 20 in the second horizontal direction, and the inspection area 80 and the new mesh storage structure 34 are spaced apart in the first horizontal direction. By spacing the inspection area 80, the manipulator 70 and the new mesh storage structure 34 apart, the staff can intuitively observe the operation of the screen replacement device 1 without affecting the operation of the manipulator 70 and the new mesh storage structure 34, which is convenient for the staff to discover and deal with problems in time.

[0073] In some embodiments, the screen replacement device 1 further includes a position sensor for detecting whether the screen structure 10 exists in the first storage rack 40, the old screen cleaning area 22 and the new screen stretching area 24, and the position sensor communicates with the transport structure 31. When the position sensor detects that the first storage rack 40 has the screen structure 10 and the old screen cleaning area 22 does not have the screen structure 10, the position sensor can transmit the detection result to the transport structure 31, and the transport structure 31 transports the screen structure 10 to be replaced to the old screen cleaning area 22, and the new screen is stretched by drying. The structure 32 and the cleaning structure 33 remove the old glue layer of the screen structure 10, so that the screen 12 and the screen frame 14 are separated. At this time, if the position sensor detects that there is no screen structure 10 in the new screen stretching area 24, the conveying structure 31 can convey the screen frame 14 to the new screen stretching area 24. At the same time, the conveying structure 31 can convey the screen structure 10 to be replaced on the first storage rack 40 to the old screen cleaning area 22, so that the components set in the new screen stretching area 24 and the old screen cleaning area 22 can work at the same time, so as to improve the working efficiency of the screen replacement device 1.

[0074] It is understandable that the staff can set the program to make the working time of the cleaning operation of the screen structure 10 when it is in the old net cleaning area 22 and the working time of the screen frame 14 when it is in the new net stretching area 24 approximately the same, that is, while the screen structure 10 completes the drying and cleaning processes in the old net cleaning area 22, the screen frame 14 in the new net stretching area 24 has also completed the processes of stretching, tension detection, gluing and cutting, and the conveying structure 31 can convey the screen 12 device after the net is replaced in the new net stretching area 24 to the second storage rack 50, and at the same time, the conveying structure 31 can synchronously convey the screen frame 14 in the old net cleaning area 22 to the new net stretching area 24 and convey the screen structure 10 to be replaced on the first storage rack 40 to the old net cleaning area 22, so as to facilitate the effective connection of the screen structure 10 between the first storage rack 40, the old net cleaning area 22 and the new net stretching area 24, thereby improving the working efficiency of the screen replacement device 1.

[0075] The screen replacement method of the screen replacement device 1 according to the second embodiment of the present invention comprises: a drying structure 32 dries the glue layer of the screen structure 10 in the old screen cleaning area 22, a cleaning structure 33 removes the glue layer of the dried screen structure 10 to separate the screen 12 and the screen frame 14, a conveying structure 31 conveys the screen frame 14 in the old screen cleaning area 22 to the new screen stretching area 24, a new screen storage structure 34 provides the screen 12 to the new screen stretching area 24 to make the screen 12 cover the screen frame 14 in the new screen stretching area 24, a stretching structure 35 stretches the screen 12 in the new screen stretching area 24, a tension detection structure detects the tension of the screen 12 in the new screen stretching area 24 and stretched until the tension of the screen 12 meets the preset conditions, a gluing structure 37 glues the screen 12 that has completed the tension detection to fix the screen 12 and the screen frame 14, and a cutting structure cuts the screen 12 fixed to the screen frame 14 from the new screen storage structure 34.

[0076] It can be seen that the drying structure 32 first dries the old glue layer of the screen structure 10 in the old screen cleaning area 22, making the old glue layer dry and fragile, and then the cleaning structure 33 removes the old glue layer of the dried screen structure 10, so that the screen 12 and the screen frame 14 are separated. Next, the transporting structure 31 automatically transports the cleaned screen frame 14 from the old screen cleaning area 22 to the new screen stretching area 24. After the screen frame 14 arrives at the new screen stretching area 24, the new screen storage structure 34 provides the screen frame 14 with a new screen 12. In the new screen stretching area 24, the stretching structure 35 tightens the new screen 12 so that the new screen 12 can meet the predetermined tension requirements, and the tension detection structure detects the tension of the screen 12, communicates with the stretching structure 35, and adjusts the operation of the stretching structure 35 to ensure that the tension of the screen 12 is appropriate. After the tension detection reaches the preset condition, the glue coating structure 37 coats the new screen 12 with glue to firmly bond the new screen 12 to the screen frame 14. Finally, the cutting structure cuts the new screen 12 from the new screen storage structure 34 to complete the replacement process of the entire screen 12. Therefore, by adopting the above-mentioned screen replacement method, the screen 12 can be automatically replaced without the operator's operation, reducing the workload of the operator.

[0077] like Figure 8 As shown, in some embodiments, the drying structure 32 dries the screen structure 10 before and after the cleaning structure 33 removes the glue layer from the screen structure 10 .

[0078] It can be seen that before the cleaning structure 33 removes the glue layer from the screen structure 10, the drying structure 32 dries the screen structure 10 to make the old glue layer dry and fragile, which makes it easier for the cleaning structure 33 to remove the old glue layer. After the cleaning structure 33 removes the glue layer from the screen structure 10, the drying structure 32 dries the screen structure 10 again to dry the old glue layer that has not been completely removed by the cleaning structure 33 and has strong viscosity, so that the viscosity of the old glue layer remaining in the screen structure 10 is reduced, which facilitates the separation of the screen frame 14 and the screen 12.

[0079] like Figure 8 As shown, in some embodiments, before the conveying structure 31 conveys the screen frame 14 to the new screen stretching area 24, the screen frame 14 is visually inspected until it is determined that the glue layer on the screen frame 14 is completely removed. For example, the first drive mechanism, the second drive mechanism, the third drive mechanism, the fourth drive mechanism, and the fifth drive mechanism are integrated and configured as a manipulator 70, and the manipulator 70 is provided with a CCD camera, which acquires an image of the screen frame 14 through the camera, and determines whether the glue layer on the screen frame 14 is completely removed based on the image.

[0080] It can be seen that through appearance inspection, the remnants of the old rubber layer that have not been completely removed on the screen frame 14 can be discovered in time, so that the cleaning structure 33 can be used again to remove the old rubber layer on the screen frame 14, so that the old rubber layer of the screen frame 14 transported to the new screen stretching area 24 can be cleanly removed, thereby ensuring that the subsequent coating of the new rubber layer is not disturbed, thereby improving the overall quality and performance of the screen structure 10 after replacing the screen 12.

[0081] Reference below Figure 1-Figure 8 , a specific embodiment is used to describe in detail the screen replacement method of the screen replacement device 1 according to the embodiment of the present invention. It is worth noting that the following description is only an exemplary description, and is not a specific limitation of the invention.

[0082] The screen replacement method includes: a drying structure 32 dries the glue layer of the screen structure 10 in the old screen cleaning area 22, a cleaning structure 33 removes the glue layer of the dried screen structure 10 to separate the screen 12 and the screen frame 14, and the drying structure 32 dries the screen structure 10 before and after the cleaning structure 33 removes the glue layer of the screen structure 10, and the conveying structure 31 conveys the screen frame 14 in the old screen cleaning area 22 to the new screen stretching area 24, and before the conveying structure 31 conveys the screen frame 14 to the new screen stretching area 24, the appearance of the screen frame 14 is inspected until it is determined that the screen frame The glue layer on the mesh 14 is cleanly removed, the new mesh storage structure 34 provides the screen 12 to the new mesh stretching area 24, so that the screen 12 covers the screen frame 14 in the new mesh stretching area 24, the stretching structure 35 stretches the screen 12 in the new mesh stretching area 24, the tension detection structure detects the tension of the screen 12 in the new mesh stretching area 24 and stretched, until the tension of the screen 12 meets the preset conditions, the glue coating structure 37 coats the screen 12 that has completed the tension detection with glue to fix the screen 12 and the screen frame 14, and the cutting structure cuts the screen 12 fixed to the screen frame 14 from the new mesh storage structure 34.

[0083] It can be seen that the drying structure 32 first dries the old glue layer of the screen structure 10 before the old screen cleaning area 22 is replaced, so that the old glue layer becomes dry and fragile, and then the cleaning structure 33 removes the old glue layer from the dried screen structure 10. After the cleaning structure 33 removes the glue layer from the screen structure 10, the drying structure 32 dries the screen structure 10 again, and dries the old glue layer that has not been removed by the cleaning structure 33, so that the viscosity of the old glue layer remaining in the screen structure 10 is reduced, which facilitates the separation of the screen frame 14 and the screen 12. Next, the screen frame 14 is visually inspected to determine whether the glue layer on the screen frame 14 is completely removed. If the glue layer on the screen frame 14 is not completely removed, the cleaning structure 33 is used again to remove the glue layer from the screen structure 10 until the screen frame 14 is visually inspected to determine that the glue layer on the screen frame 14 has been completely removed. The conveying structure 31 then conveys the screen frame 14 with the glue layer removed from the old screen cleaning area 22 to the new screen stretching area 24. At the same time, the conveying structure 31 can synchronously convey the screen structure 10 before replacement to the old screen cleaning area 22, so that the screen structure 10 before replacement and the new screen structure 10 are completely removed. The screen frame 14 can reach the old screen cleaning area 22 and the new screen stretching area 24 synchronously respectively. The screen structure 10 before replacement is dried and cleaned in the old screen cleaning area 22. At the same time, the screen frame 14 is in the new screen stretching area 24. The new screen storage structure 34 provides the screen frame 14 with a new screen 12. The stretching structure 35 tightens the new screen 12 so that the new screen 12 can meet the predetermined tension requirements. The tension detection structure detects the tension of the screen 12 in real time and communicates with the stretching structure 35 to adjust the operation of the stretching structure 35 to ensure that the tension of the screen 12 is appropriate. After the tension detection reaches the preset condition, the glue coating structure 37 glues the new screen 12 to firmly bond the new screen 12 to the screen frame 14. Finally, the cutting structure cuts the new screen 12 from the new screen storage structure 34 to complete the replacement process of the entire screen 12. As a result, it is convenient to realize the automatic replacement of the screen 12, reduce the workload of the staff, and the screen structure 10 after the screen replacement has good product quality.

[0084] In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present application will not further explain various possible combinations. In addition, the various different embodiments of the present application can also be combined arbitrarily, as long as they do not violate the idea of ​​the present application, they should also be regarded as the contents disclosed in the present application.

[0085] In the description of the present invention, it is necessary to understand that the terms "center", "lateral", "length", "thickness", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0086] In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more. In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0087] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0088] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A screen replacement device, characterized in that: Screen replacement for bonded screen construction, including: An operating table, wherein the operating table has an old net cleaning area and a new net stretching area arranged at intervals, and a transport structure capable of transporting the screen structure is provided beside the old net cleaning area and the new net stretching area; The new mesh storage structure includes a new mesh storage part and a new mesh release part, wherein the new mesh storage part is used to store the new mesh, and the new mesh release part is used to guide the new mesh to the new mesh stretching area; wherein the old mesh cleaning area is provided with a drying structure and a cleaning structure, wherein the drying structure is used to bake the glue layer bonded to the old mesh; and the cleaning structure is used to remove the glue layer and the old mesh; The new mesh stretching area is provided with a mesh stretching structure, a tension detection structure, a gluing structure and a cutting structure. The mesh stretching structure is used to apply a pair of balancing forces to the new screen along the guiding direction of the new mesh release portion to stretch the screen; the tension detection structure can contact the screen surface after stretching and perform tension detection on it, and the tension detection structure is also communicated with the mesh stretching structure; the gluing structure is used to glue the screen that has completed tension detection to fix the new screen; the cutting structure is used to disconnect the new screen from the new mesh storage structure.

2. The screen replacement device according to claim 1, characterized in that: The screen replacement device also includes: A first storage rack is provided in the front process of the old mesh cleaning area and has a multi-layer first storage space, wherein the first storage space is used to store the mesh structure to be replaced; A second storage rack, the second storage rack is arranged in the rear process of the new mesh stretching area and has multiple layers of second storage space, the second storage space is used to store the mesh structure after the mesh is changed; The transport structure includes an outer rail and a mechanical transport part that can move along the outer rail. The outer rail 312 passes through the first storage rack, the old net cleaning area, the new net stretching area and the second storage rack in sequence. The mechanical transport part is used to transfer the screen structure along the outer rail to different processes.

3. The screen replacement device according to claim 2, characterized in that: The first storage rack, the old net cleaning area, the new net stretching area and the second storage rack are arranged in a straight line along a first horizontal direction; and / or, The new mesh releasing part includes a driving shaft, a driven shaft and a first driver, the driving shaft and the driven shaft are arranged in parallel and spaced apart on both sides of the new mesh stretching area in the second horizontal direction, the driving shaft extends along the first horizontal direction, the driving shaft and the driven shaft are both located on the upper side of the new mesh stretching area, the driving shaft and the driven shaft are suitable for respectively winding around the two ends of the screen so that the driving shaft and the driven shaft are suitable for winding and unwinding the screen, the first driver is used to drive the driving shaft to rotate so as to drive the driven shaft to rotate through the screen, and the first horizontal direction is perpendicular to the second horizontal direction.

4. The screen replacement device according to claim 3, characterized in that: The stretch mesh structure comprises: a second driver, the second driver being used to drive at least one of the driving shaft and the driven shaft to move along the second horizontal direction so as to change the spacing between the driving shaft and the driven shaft in the second horizontal direction; A first clamping rod, the first clamping rod is arranged parallel to the driven shaft, the first clamping rod can move relative to the driven shaft along the radial direction of the driven shaft, and has a clamping position and a releasing position, the distance between the first clamping rod and the outer peripheral wall of the driven shaft at the clamping position is smaller than the distance between the first clamping rod and the outer peripheral wall of the driven shaft at the releasing position, so that the first clamping rod is suitable for clamping the screen wound around the driven shaft at the clamping position and releasing the clamping of the screen wound around the driven shaft at the releasing position.

5. The screen replacement device according to claim 4, characterized in that: The stretched mesh structure also includes: A second clamping rod, the second clamping rod is arranged parallel to the driving shaft, the second clamping rod can move relative to the driving shaft along the radial direction of the driving shaft, and has a clamping position and a releasing position. The distance between the second clamping rod and the outer peripheral wall of the driving shaft at the clamping position is smaller than the distance between the second clamping rod and the outer peripheral wall of the driving shaft at the releasing position, so that the second clamping rod is suitable for clamping the screen wound around the driving shaft at the clamping position and releasing the clamping of the screen wound around the driving shaft at the releasing position.

6. The screen replacement device according to claim 1, characterized in that: The cleaning tool comprises a grinder and a scraper which can be switched. The grinder is used for grinding the screen frame, and the scraper is used for scraping off the glue layer on the screen frame.

7. The screen replacement device according to claim 1, characterized in that: At least a portion of the old mesh cleaning area is hollowed out.

8. The screen replacement device according to any one of claims 1 to 7, characterized in that: The drying structure comprises a first driving mechanism and a dryer, wherein the first driving mechanism is used to drive the dryer to move so that the dryer is used to bake the glue layer bonded to the old screen; The cleaning structure comprises a second driving mechanism and a cleaning tool, wherein the second driving mechanism is used to drive the cleaning tool to move so that the cleaning tool removes the glue layer and the old screen; The tension detection structure includes a third driving mechanism and a tension detector, wherein the third driving mechanism is used to drive the tension detector to move so that the tension detector contacts the screen surface behind the stretched screen and performs tension detection on the screen surface; the tension detector is in communication connection with the stretched screen structure; The glue coating structure comprises a fourth driving mechanism and a glue coating head, wherein the fourth driving mechanism is used to drive the glue coating head to move so that the glue coating head is used to coat the screen mesh after tension detection; The cutting structure comprises a fifth driving mechanism and a cutting tool, wherein the fifth driving mechanism is used to drive the cutting tool to move so that the cutting tool is used to disconnect the screen from the new screen storage structure; Wherein, the first driving mechanism, the second driving mechanism, the third driving mechanism, the fourth driving mechanism and the fifth driving mechanism are integrated and configured as a manipulator; Preferably, the manipulator has a third drive and a plurality of second clamping structures, the third drive is used to drive the plurality of second clamping structures to rotate so that different second clamping structures are set toward the old net cleaning area or the new net stretching area, and the plurality of second clamping structures are respectively used to clamp the dryer, the cleaning tool, the tension tester, the glue coating head and the cutting tool.

9. A method for replacing a screen using the screen replacement device according to any one of claims 1 to 8, characterized in that: include: The drying structure dries the adhesive layer of the screen structure in the old screen cleaning area; The cleaning structure removes the glue layer of the dried screen structure to separate the screen from the screen frame; The transport structure transports the screen frame in the old net cleaning area to the new net stretching area; The new mesh storage structure provides a screen to the new mesh stretching area so that the screen covers the screen frame in the new mesh stretching area; The mesh stretching structure stretches the screen in the new mesh stretching area, and the tension detection structure detects the tension of the screen in the new mesh stretching area until the tension of the screen meets the preset condition; The gluing structure applies glue to the screen that has completed the tension test to fix the screen and the screen frame; The cutting structure cuts the screen mesh fixed to the screen frame from the new mesh storage structure.

10. The screen replacement method according to claim 9, characterized in that: The drying structure dries the screen structure before and after the cleaning structure removes the glue layer from the screen structure.

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